Sentry Drive over Canadian National Railro
Fair Condition24 years old150 vehicles/day
Location
| State | Michigan |
| County | Calhoun |
| Location | 0.3 Miles East Of Gate At |
| Carries | Sentry Drive |
| Crosses | Canadian National Railro |
| Coordinates | 42.30997, -85.26011 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 195.9 ft (59.7 m) |
| Max Span | 71.9 ft (21.9 m) |
| Deck Width | 37.1 ft (11.3 m) |
| Deck Area | 674.6 sq m |
| Main Spans | 3 |
| Year Built | 2002 |
Traffic
| Avg Daily Traffic | 150 (2014) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | Air Force |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | AFMIMBMV07001 |